300-million-year-old fish saw the world in color, new study says

December 24, 2014 3:44 AM

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The well-preserved fossil of an ancient fish shows ability to see color evolved by at least 300 million years ago.

In a paper published Wednesday in the journal Nature Communications, scientists describe the discovery of a 300-million-year-old fossilized fish so well preserved that the rods and conesâ€”calledÂ photoreceptor cellsâ€”in its eyeballs can still be seen with the use ofÂ a scanning electron microscope...